Senior Agents Platform Engineer — GenAI Platform Lead (Hybrid)

Doctolib

Paris

Hybrid

EUR 120,000 - 150,000

Full time

4 days ago
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Benefits offered by this job

Health insurance
25 days vacation + RTT
Lunch vouchers
Transport subsidy
Relocation support

Job summary

Doctolib is seeking a Senior Agents Platform Engineer to join the ML Platform (TIGER) team in AI & Machine Learning. You will build a production-grade agent platform powering Doctolib's AI features across Europe, focusing on a shared runtime, unified gateway, and compliance-grade observability.

Responsibilities include owning the agent manifest, GenAI gateway, long-running agent interactions, and end-to-end reliability.

Qualifications

  • 5+ years of software engineering experience with hands-on production work
  • Experience with LLM-based agent systems and agent design patterns (planning, tool calling, memory management)
  • Experience with agent interoperability and tool protocols (MCP, A2A, AG-UI)
  • Experience managing cost and capacity for LLM usage (routing, caching, capacity planning)
  • Proven production reliability ownership (SLOs, incident response, on-call) and security-minded design
  • Excellent communication and collaboration skills; fluent in English

Responsibilities

  • Own the agent manifest and registry and design declarative specifications
  • Own the GenAI gateway end-to-end, including routing, failover, and guardrails
  • Operate infrastructure for long-running, streaming agent interactions
  • Implement feature-flagged, progressive rollout for prompts and configs
  • Ensure reliability end-to-end with runbooks and incident response
  • Build observability and evaluation layers with traces and logs
  • Validate platform by shipping reference agents before product teams adopt it

Skills

LLM-based agent systems
Agent interoperability
Cost and capacity management
Production reliability (SRE)
Communication & collaboration
English fluency

Tools

Kubernetes
ADK (Agent Development Kit)
MLflow
Datadog LLM Observability
LiteLLM
Terraform
Datadog

Job description

Doctolib is seeking a Senior Agents Platform Engineer to join the ML Platform (TIGER) team in AI & Machine Learning. You will build a production-grade agent platform powering Doctolib's AI features across Europe, focusing on a shared runtime, unified gateway, and compliance-grade observability.

Responsibilities include owning the agent manifest, GenAI gateway, long-running agent interactions, and end-to-end reliability.

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